DOTA 2 BOTS- Bots will now use couriers.- While there are any disconnected humans on the opposing team, bots will now select the most appropriate corresponding hero or heroes on their team to go back to the fountain to try to keep teams somewhat balanced.- Bots will no longer forget about heroes they're trying to kill when they go invulnerable.- Changed how bots think about attacking wards/minions, they should behave more reasonably now.- When bots defend a tower, they should now be more aggressive about transitioning into attacking, rather than milling around behind the tower.- Mid bots are now less likely to roam at early levels.- Fixed bug that was causing Zeus to killsteal (too much) with his Ult.- Earthshaker bot will no longer use Echo Slam to kill a lone hero unless that hero is a hard carry.- Earthshaker bot will no longer use Echo Slam on a target that it thinks is about to die anyways.- Windrunner bot will now buy Mekansm rather than Blademail.- Fixed bug that could cause poorly-aimed fissures and powershots.- Windrunner bot will now use Powershot when pushing/defending a lane, and sometimes to harass/last-hit while laning.- Fixed bug where Kunkka bot would freeze when trying to kill a non-hero target.- Fixed bug where Dire bots would respond to pings from spectators.